Abstract
A new coupler design consisting of a three-dimensional SU-8 taper and a silicon inverted nanotaper is presented. The fiber misalignment tolerance is ±3 μm and the coupler loss is 2.8 dB(TE) and 4.1 dB(TM). OCIS codes: (230.3120) Optical devices; (230.0230) Integrated optics devices. OFC/NFOEC Technical Digest © 2013 OSA.